diff --git a/cmd/dfs/cmd/server_test.go b/cmd/dfs/cmd/server_test.go
index b1b873ab..00547bf4 100644
--- a/cmd/dfs/cmd/server_test.go
+++ b/cmd/dfs/cmd/server_test.go
@@ -1338,7 +1338,6 @@ func TestApis(t *testing.T) {
 				if err != nil {
 					t.Fatal(err)
 				}
-				fmt.Println("uploadResp.StatusCode", uploadResp.StatusCode)
 				if uploadResp.StatusCode != 200 {
 					t.Fatal("upload failed")
 				}
diff --git a/pkg/api/dir_ls.go b/pkg/api/dir_ls.go
index d28c7ad1..3efa182a 100644
--- a/pkg/api/dir_ls.go
+++ b/pkg/api/dir_ls.go
@@ -51,7 +51,7 @@ type ListFileResponse struct {
 func (h *Handler) DirectoryLsHandler(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {
diff --git a/pkg/api/dir_present.go b/pkg/api/dir_present.go
index 29f923b2..031668df 100644
--- a/pkg/api/dir_present.go
+++ b/pkg/api/dir_present.go
@@ -47,7 +47,7 @@ type DirPresentResponse struct {
 func (h *Handler) DirectoryPresentHandler(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {
diff --git a/pkg/api/dir_stat.go b/pkg/api/dir_stat.go
index 95749807..2eb1c26e 100644
--- a/pkg/api/dir_stat.go
+++ b/pkg/api/dir_stat.go
@@ -45,7 +45,7 @@ import (
 func (h *Handler) DirectoryStatHandler(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {
diff --git a/pkg/api/file_download.go b/pkg/api/file_download.go
index a5558927..066e5704 100644
--- a/pkg/api/file_download.go
+++ b/pkg/api/file_download.go
@@ -46,7 +46,7 @@ import (
 func (h *Handler) FileDownloadHandlerPost(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {
@@ -92,7 +92,7 @@ func (h *Handler) FileDownloadHandlerPost(w http.ResponseWriter, r *http.Request
 func (h *Handler) FileDownloadHandlerGet(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {
diff --git a/pkg/api/file_stat.go b/pkg/api/file_stat.go
index 6068fd2f..723cea66 100644
--- a/pkg/api/file_stat.go
+++ b/pkg/api/file_stat.go
@@ -45,7 +45,7 @@ import (
 func (h *Handler) FileStatHandler(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {
diff --git a/pkg/api/file_status.go b/pkg/api/file_status.go
index b34f715c..56d5c6ee 100644
--- a/pkg/api/file_status.go
+++ b/pkg/api/file_status.go
@@ -36,7 +36,7 @@ type StatusResponse struct {
 func (h *Handler) FileStatusHandler(w http.ResponseWriter, r *http.Request) {
 	driveName, isGroup := "", false
 	keys, ok := r.URL.Query()["groupName"]
-	if ok || len(keys[0]) > 0 {
+	if ok || (len(keys) == 1 && len(keys[0]) > 0) {
 		driveName = keys[0]
 		isGroup = true
 	} else {